It can be difficult to work out the plural of a word ending in -o. Here are the common plurals of about 30 of them. If there are alternatives, check with your mentor, teacher or tutor for the preferred form in the country where you live.
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PLURAL |
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armadillo avocado banjo bistro calypso cargo casino cockatoo contralto dingo domino dynamo echo ego embargo flamingo folio grotto hero hippo innuendo kangaroo lasso mango motto pistachio portfolio potato radio ratio rhino stiletto
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armadillos avocados banjos or banjoes bistros calypsos cargos or cargoes casinos cockatoos contraltos or contralti dingoes dominoes dynamos echoes egos embargoes flamingos or flamingoes folios grottoes or grottos heroes hippos innuendos or innuendoes kangaroos lassos or lassoes mangos or mangoes mottos or mottoes pistachios portfolios potatoes radios ratios rhinos stilettos
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